CN210649168U - Welding power supply capable of selecting melting depth - Google Patents
Welding power supply capable of selecting melting depth Download PDFInfo
- Publication number
- CN210649168U CN210649168U CN201921711987.2U CN201921711987U CN210649168U CN 210649168 U CN210649168 U CN 210649168U CN 201921711987 U CN201921711987 U CN 201921711987U CN 210649168 U CN210649168 U CN 210649168U
- Authority
- CN
- China
- Prior art keywords
- resistor
- operational amplifier
- inverting input
- circuit
- grounded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000003466 welding Methods 0.000 title claims abstract description 29
- 238000002844 melting Methods 0.000 title description 2
- 230000008018 melting Effects 0.000 title description 2
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 claims abstract description 19
- 230000035515 penetration Effects 0.000 claims abstract description 16
- 238000005070 sampling Methods 0.000 claims description 19
- 239000003990 capacitor Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
Images
Landscapes
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The utility model provides a welding power supply of optional penetration, be in including casing, setting touch-sensitive screen on the casing is in with the setting control circuit in the casing, control circuit includes controller, regulating circuit and detection circuitry, still be provided with adjust knob on the casing, the output of controller is connected regulating circuit's input, regulating circuit's output current, detection circuitry's input is connected regulating circuit, detection circuitry's output is connected the controller, the controller is still connected the touch-sensitive screen, adjust knob connects regulating circuit. The welding power supply with selectable penetration depth has the advantage that the penetration depth is adjusted by adjusting the output current.
Description
Technical Field
The utility model relates to a welding power supply of optional penetration.
Background
Welding, also known as fusion, welding, is a manufacturing process and technique for joining metals or other thermoplastic materials, such as plastics, in a heated, high temperature or high pressure manner. Fusion welding is a welding method, wherein workpieces to be jointed are heated to be locally melted to form a molten pool, the molten pool is cooled and solidified to be jointed, and a molten filler can be added to assist when necessary. The welding power supply is used for providing welding electrical parameters, most of the existing welding power supplies output fixed electrical parameters after filtering, but different welding materials, different welding plate thicknesses and the like have different adaptations to parameters such as current and the like, and a welding power supply and a welding device capable of selecting base metal components and penetration are proposed in the patent with the application number of 201820539559.5, but specific embodiments are not provided in the patent. In practice, parameters such as the size and the frequency of the welding current are set, and the method can adapt to different welding materials to achieve the optimal penetration.
Disclosure of Invention
In order to solve the problem existing in the background art, the utility model provides a welding power supply of optional penetration.
The utility model provides a welding power supply of optional penetration, includes the casing, sets up touch-sensitive screen and setting on the casing are in control circuit in the casing, control circuit includes controller, regulating circuit and detection circuitry, still be provided with adjust knob on the casing, the output of controller is connected regulating circuit's input, regulating circuit's output current, detection circuitry's input is connected regulating circuit, detection circuitry's output is connected the controller, the controller is still connected the touch-sensitive screen, adjust knob connects regulating circuit.
Based on the above, in the adjusting circuit, the non-inverting input terminal of the operational amplifier U101 is connected to one end of the resistor R101, the other end of the resistor R101 is connected to the controller and is grounded through the resistor R103 and the capacitor C101, respectively, the output terminal of the operational amplifier U101 is connected to the inverting input terminal of the operational amplifier U101 and is connected to one end of the resistor R102 through the diode D101, the other end of the resistor R102 serves as the output terminal, and one end of the resistor R102 is also grounded through the resistor R104; the non-inverting input end of the operational amplifier U103 is connected with a power supply VCC through a potentiometer R107 and a resistor R105, the adjusting end of the potentiometer R107 is connected with the resistor R105, the non-inverting input end of the operational amplifier U103 is grounded through a resistor R109, the output end of the operational amplifier U103 is connected with the inverting input end of the operational amplifier U103, and the output end of the operational amplifier U103 is connected with the inverting input end of the operational amplifier U101 through a resistor R108 and a resistor R106 in sequence; the non-inverting input end of the operational amplifier U102 is connected with the output end of the operational amplifier U103 through a resistor R108 and is grounded through a diode D103, a resistor R113, a resistor R116 and a resistor R117 in sequence, the output end of the operational amplifier U102 is connected with the inverting input end of the operational amplifier U102 through a resistor R110, the output end of the operational amplifier U is also connected with one end of the resistor R102 through the diode D102, and the inverting input end of the operational amplifier U102 is also grounded through a resistor R111; the output end of the operational amplifier U104 is connected to the connection point of the resistor R113 and the resistor R116, the output end of the operational amplifier U104 is connected to one fixed end of the potentiometer R114, the adjusting end of the potentiometer R114 is connected to the adjusting end of the potentiometer R112, two fixed ends of the potentiometer R112 are respectively connected to the anode of the diode D104 and the cathode of the diode D105, the cathode of the diode D104 and the anode of the diode D105 are respectively connected to the inverting input end of the operational amplifier U104 through the resistor R115, one end of the resistor R115 is further grounded through the resistor R118 and the capacitor C102, and the non-inverting input end of the operational amplifier U104 is grounded through the resistor R117.
Based on the above, the detection circuit is a voltage sampling circuit.
Based on the above, the voltage sampling circuit includes a resistor R201, a capacitor C201, an operational amplifier U201, a resistor R202, and a resistor R203, the resistor R201 and the capacitor C201 constitute an RC filter circuit, the non-inverting input terminal of the operational amplifier U201 is connected to the sampling point through the RC filter circuit, the inverting input terminal of the operational amplifier U201 is grounded through the resistor R203, the output terminal of the operational amplifier U201 is grounded through the resistor R202 and the resistor R203 in sequence, and the output terminal of the operational amplifier U201 is also used as the output terminal of the amplifying circuit.
The utility model discloses relative prior art has substantive characteristics and progress, specific theory, the utility model discloses to the welding material of different materials, different thickness, the current parameter that the prestore penetration corresponds through size, frequency, the duty cycle of the pulse current of regulating circuit regulation output to export the purpose electric current as required, in order to realize the optimization to the penetration.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the circuit structure of the adjusting circuit of the present invention.
Fig. 3 is a schematic diagram of the circuit structure of the detection circuit of the present invention.
In the figure: 1. a housing; 2. a touch screen; 3. and adjusting a knob.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in fig. 1, 2 and 3, a welding power supply with selectable penetration depth comprises a shell 1, a touch screen 2 arranged on the shell 1 and a control circuit arranged in the shell 1, wherein the control circuit comprises a controller, an adjusting circuit and a detection circuit, the shell 1 is further provided with an adjusting knob 3, the output end of the controller is connected with the input end of the adjusting circuit, the output end of the adjusting circuit outputs current, the input end of the detection circuit is connected with the adjusting circuit, the output end of the detection circuit is connected with the controller, the controller is further connected with the touch screen 2, and the adjusting knob 3 is connected with the adjusting circuit.
Different current parameters corresponding to the optimal penetration of common welding materials with different thicknesses are prestored in the controller, when the welding device is used, the circuit parameters corresponding to the required current are checked through the touch screen 2, and the circuit parameters of the adjusting circuit are adjusted through the adjusting knob 3, so that the adjusting circuit outputs the target current. The detection circuit is used for detecting circuit parameters of the adjusting circuit, and the controller sends the received detection information to the touch screen 2 for displaying so as to conveniently adjust according to a detection result. The controller in this embodiment is a single chip microcomputer, and the model is STM32F103RB, and its own has certain memory space. In practice, a flash memory can be arranged in the shell 1, and the flash memory is connected with the controller and used for expanding the storage space; the shell 1 is also provided with a power output interface and an output interface which are used for connecting the commercial power and the welding machine.
Specifically, in the adjusting circuit, the non-inverting input end of an operational amplifier U101 is connected to one end of a resistor R101, the other end of the resistor R101 is connected to the controller and is grounded through a resistor R103 and a capacitor C101, respectively, the output end of the operational amplifier U101 is connected to the inverting input end of the operational amplifier U101 and is connected to one end of a resistor R102 through a diode D101, the other end of the resistor R102 serves as the output end, and one end of the resistor R102 is also grounded through a resistor R104; the non-inverting input end of the operational amplifier U103 is connected with a power supply VCC through a potentiometer R107 and a resistor R105, the adjusting end of the potentiometer R107 is connected with the resistor R105, the non-inverting input end of the operational amplifier U103 is grounded through a resistor R109, the output end of the operational amplifier U103 is connected with the inverting input end of the operational amplifier U103, and the output end of the operational amplifier U103 is connected with the inverting input end of the operational amplifier U101 through a resistor R108 and a resistor R106 in sequence; the non-inverting input end of the operational amplifier U102 is connected with the output end of the operational amplifier U103 through a resistor R108 and is grounded through a diode D103, a resistor R113, a resistor R116 and a resistor R117 in sequence, the output end of the operational amplifier U102 is connected with the inverting input end of the operational amplifier U102 through a resistor R110, the output end of the operational amplifier U is also connected with one end of the resistor R102 through the diode D102, and the inverting input end of the operational amplifier U102 is also grounded through a resistor R111; the output end of the operational amplifier U104 is connected to the connection point of the resistor R113 and the resistor R116, the output end of the operational amplifier U104 is connected to one fixed end of the potentiometer R114, the adjusting end of the potentiometer R114 is connected to the adjusting end of the potentiometer R112, two fixed ends of the potentiometer R112 are respectively connected to the anode of the diode D104 and the cathode of the diode D105, the cathode of the diode D104 and the anode of the diode D105 are respectively connected to the inverting input end of the operational amplifier U104 through the resistor R115, one end of the resistor R115 is further grounded through the resistor R118 and the capacitor C102, and the non-inverting input end of the operational amplifier U104 is grounded through the resistor R117.
The number of the adjusting knobs is three, the adjusting knobs are respectively and correspondingly connected with the adjusting ends of the three potentiometers, and parameters of the potentiometers are adjusted by rotating the knobs. In this embodiment, the output current is a pulse current, the resistor R103 and the capacitor C101 play a role in filtering, the operational amplifier U101 and the diode D101 are used for outputting a low value of the pulse current, the operational amplifier U102 and the operational amplifier U103 are used for outputting a high value of the pulse current, the potentiometer R107 is used for adjusting the high value of the pulse current, the operational amplifier U104, the potentiometer R114, the potentiometer R112, the resistor R115, the resistor R117, the resistor R118, the diode D104, the diode D105, the capacitor C102, the resistor R116, the resistor R113, and the diode D103 form an oscillation circuit, the potentiometer R112 is used for adjusting a pulse duty ratio, and the potentiometer R114 is used for adjusting an oscillation frequency. The output end of the operational amplifier U104 is a negative half-cycle signal, that is, the output end of the oscillating circuit is a negative half-cycle signal, the input signal of the operational amplifier U102 is pulled low to be a low signal, the output signal of the operational amplifier U102 through the diode D102 is lower than the output signal of the operational amplifier U101 through the diode D101, and the output end of the regulating circuit outputs a low-value current; the output end of the operational amplifier U104 is a positive half cycle signal, that is, the output end of the oscillation circuit is a positive half cycle signal, the input signal of the operational amplifier U102 is not affected, the output signal of the operational amplifier U102 via the diode D102 is higher than the output signal of the operational amplifier U101 via the diode D101, and the output end of the regulating circuit outputs a high value current.
In this embodiment, the detection circuit is a voltage sampling circuit. Specifically, the voltage sampling circuit comprises a resistor R201, a capacitor C201, an operational amplifier U201, a resistor R202 and a resistor R203, the resistor R201 and the capacitor C201 form an RC filter circuit, the non-inverting input end of the operational amplifier U201 is connected with a sampling point through the RC filter circuit, the inverting input end of the operational amplifier U201 is grounded through the resistor R203, the output end of the operational amplifier U201 is grounded through the resistor R202 and the resistor R203 in sequence, and the output end of the operational amplifier U201 is also used as the output end of the amplifying circuit. In practice, there are three voltage sampling circuits, and a sampling end of one voltage sampling circuit is connected to a connection point of the potentiometer R107 and the operational amplifier U103 and is used for sampling parameters of the potentiometer R107 according to voltage changes; the sampling end of a voltage sampling circuit is connected with the adjusting end of the potentiometer R114 and is used for sampling the parameter of the potentiometer R114 according to the voltage change; the sampling end of a voltage sampling circuit is connected with the connecting point of the potentiometer R112 and the diode D104 and is used for sampling the parameter of the potentiometer R112 according to the voltage change. The collected information is displayed through the touch screen, and adjustment and setting are conveniently carried out according to the target parameters.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. A welding power supply with selectable penetration depth is characterized in that: be in including casing, setting touch-sensitive screen on the casing and setting are in control circuit in the casing, control circuit includes controller, regulating circuit and detection circuitry, still be provided with adjust knob on the casing, the output of controller is connected regulating circuit's input, regulating circuit's output current, detection circuitry's input is connected regulating circuit, detection circuitry's output is connected the controller, the controller still connects the touch-sensitive screen, adjust knob connects regulating circuit.
2. The selectable penetration welding power supply of claim 1, wherein: in the regulating circuit, the non-inverting input end of an operational amplifier U101 is connected with one end of a resistor R101, the other end of the resistor R101 is connected with a controller and is grounded through a resistor R103 and a capacitor C101 respectively, the output end of the operational amplifier U101 is connected with the inverting input end of the operational amplifier U101 and is connected with one end of a resistor R102 through a diode D101, the other end of the resistor R102 serves as the output end, and one end of the resistor R102 is also grounded through a resistor R104; the non-inverting input end of the operational amplifier U103 is connected with a power supply VCC through a potentiometer R107 and a resistor R105, the adjusting end of the potentiometer R107 is connected with the resistor R105, the non-inverting input end of the operational amplifier U103 is grounded through a resistor R109, the output end of the operational amplifier U103 is connected with the inverting input end of the operational amplifier U103, and the output end of the operational amplifier U103 is connected with the inverting input end of the operational amplifier U101 through a resistor R108 and a resistor R106 in sequence; the non-inverting input end of the operational amplifier U102 is connected with the output end of the operational amplifier U103 through a resistor R108 and is grounded through a diode D103, a resistor R113, a resistor R116 and a resistor R117 in sequence, the output end of the operational amplifier U102 is connected with the inverting input end of the operational amplifier U102 through a resistor R110, the output end of the operational amplifier U is also connected with one end of the resistor R102 through the diode D102, and the inverting input end of the operational amplifier U102 is also grounded through a resistor R111; the output end of the operational amplifier U104 is connected to the connection point of the resistor R113 and the resistor R116, the output end of the operational amplifier U104 is connected to one fixed end of the potentiometer R114, the adjusting end of the potentiometer R114 is connected to the adjusting end of the potentiometer R112, two fixed ends of the potentiometer R112 are respectively connected to the anode of the diode D104 and the cathode of the diode D105, the cathode of the diode D104 and the anode of the diode D105 are respectively connected to the inverting input end of the operational amplifier U104 through the resistor R115, one end of the resistor R115 is further grounded through the resistor R118 and the capacitor C102, and the non-inverting input end of the operational amplifier U104 is grounded through the resistor R117.
3. The selectable penetration welding power supply of claim 1, wherein: the detection circuit is a voltage sampling circuit.
4. The selectable penetration welding power supply of claim 3, wherein: the voltage sampling circuit comprises a resistor R201, a capacitor C201, an operational amplifier U201, a resistor R202 and a resistor R203, the resistor R201 and the capacitor C201 form an RC filter circuit, the non-inverting input end of the operational amplifier U201 is connected with a sampling point through the RC filter circuit, the inverting input end of the operational amplifier U201 is grounded through the resistor R203, the output end of the operational amplifier U201 is grounded through the resistor R202 and the resistor R203 in sequence, and the output end of the operational amplifier U201 is also used as the output end of the amplifying circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921711987.2U CN210649168U (en) | 2019-10-14 | 2019-10-14 | Welding power supply capable of selecting melting depth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921711987.2U CN210649168U (en) | 2019-10-14 | 2019-10-14 | Welding power supply capable of selecting melting depth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210649168U true CN210649168U (en) | 2020-06-02 |
Family
ID=70834070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921711987.2U Expired - Fee Related CN210649168U (en) | 2019-10-14 | 2019-10-14 | Welding power supply capable of selecting melting depth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210649168U (en) |
-
2019
- 2019-10-14 CN CN201921711987.2U patent/CN210649168U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20150101444A (en) | System and method for controlling an arc welding process | |
| CN101925431A (en) | Method and system to increase heat to weld during short-circuit arc welding process | |
| JP2005238329A (en) | Short circuit arc welder and method of controlling the same | |
| CN103034266A (en) | Temperature control system and method for reflow soldering machine | |
| CN210649168U (en) | Welding power supply capable of selecting melting depth | |
| CN102091849A (en) | A Welding Method Based on Mathematical Model to Set Double Pulse Welding Parameters | |
| CN106624289A (en) | System and method of communicating in a welding system over welding power cables | |
| US20130092673A1 (en) | Wire feed motor speed control | |
| CN105880819A (en) | Microscopic-welding point welding machine for hot-pressing electric resistance welding | |
| CN110227878A (en) | A kind of method that electric resistance welding equipment detection nut misplaces or loses | |
| CN206348436U (en) | A kind of genset load test system | |
| CN202539741U (en) | A constant temperature soldering station | |
| JPS569064A (en) | Method and device of arc starting of electrode consuming arc welding machine | |
| CN107553026A (en) | A kind of double-pendulum arms simulate human weld's device | |
| CN203004324U (en) | Ultrasonic plastic welder | |
| CN106624290A (en) | System and method of communicating in a welding system over welding power cables | |
| CN105500693A (en) | Ultrasonic wave welding device for injection molding workpiece | |
| CN107414276A (en) | A kind of lithium battery electric core welder | |
| CN109807423B (en) | Welding closed-loop monitoring system and welding method | |
| CN207412713U (en) | A kind of circuit of electronic firecrackers | |
| CN207358331U (en) | A kind of hedgeclipper motor PG plate power cord auxiliary welding equipments | |
| CN207127371U (en) | A kind of Novel welding machine | |
| CN201211591Y (en) | Electric resistance electric arc welder control box with monitor function | |
| CN110524094A (en) | welding torch | |
| CN213857572U (en) | Welding current detection device of electronic spot welding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200602 |